The Duck Curve#gm
Peak Energy raises $108M as GM Ventures leads its sodium-ion storage round
Peak Energy said on October 21, 2026 it closed an oversubscribed Series B led by General Motors Ventures, with $108 million in new financing to scale US manufacturing of its passively cooled sodium-ion grid storage, fulfill over $1 billion in customer orders and launch its product to the data center market.
Tesla turns on Powershare home backup for new Model 3 and Model Y
Tesla Energy said on October 6, 2026 that Powershare Home Backup is available for new Model 3 and Model Y with a Powerwall 3, extending home backup by over two days per Tesla. Its Powershare page covers new orders from October 1, 2026, narrowed in a footnote to US and Puerto Rico orders after that date, says some but not all earlier cars are capable, and offers the two models no setup without a Powerwall.
Ultium Cells to make LMR prismatic EV cells at Spring Hill, Tennessee
Ultium Cells, the GM and LG Energy Solution joint venture, said in a September 28, 2026 release that it will upgrade its Spring Hill, Tennessee plant to make LMR prismatic cells for future GM EVs: modifications begin in 2026, completion is expected in 2028, 500 projected jobs join 1,200 employees, and combined investment with the plant's LFP storage-cell program and facility improvements will reach $1B by 2030. It expects Spring Hill to be first in the world to mass produce prismatic LMR cells, with the potential, it says, for 33% higher energy density than LFP at comparable cost.
PG&E and GM Energy bundle charger at no additional cost, $15 monthly credit
PG&E and GM Energy said on September 23, 2026 that their Smart Charge Bundle gives buyers of a new Chevrolet, GMC or Cadillac EV a GM Energy home charger at no additional hardware cost plus a $15 monthly PG&E bill credit through the EV Charge Manager program. The bundle page limits participation to single-family or detached homes with an active OnStar plan with location services enabled; as of September 23, 2026 PG&E's page for the general EV Charge Manager program calls that program fully subscribed, and neither page says whether the bundle track is affected.
